Electricity: single generator systems inventions 06/09

20090153105 - Alternator: a regulator (20) for regulating the output voltage of the alternator; and an alternator rotor (8) comprising an exciter secondary winding (6); a rotary field winding (4) powered by the exciter secondary winding (6); and a control circuit (10) for controlling the power supply to the rotary field winding (4)... Agent: Oliff & Berridge, PLC

20090153106 - Excitation device for an electric machine: With an aim of minimizing excitation losses in electric machines having electrically excited and displaceable secondary parts, bi-directional inductive transmission of energy is carried out by a rotating inductive transmission device. An associated electronic system for the bi-directional transmission of power and/or energy, is provided. Advantageously, super-conductive inductance is present... Agent: Staas & Halsey LLP

20090146615 - Hybrid motor vehicle and method for controlling operation of a hybrid motor vehicle: The invention relates to a method for controlling an operation of a motor vehicle equipped with a hybrid drive unit (10), which comprises a combustion engine (12) and at least one electric machine (14) that can be selectively operated as a motor or as a generator. The electric machine (14),... Agent: Norris, Mclaughlin & Marcus, P.A.

20090146616 - Method of automotive electrical bus management: A method for managing a vehicle's electrical power bus and charging system. A current sensor is utilized to measure a current produced by an alternator. The alternator current is controlled in a feedback system such that the current is equal to the amount required for the vehicle loads or, if... Agent: Dickinson Wright PLLC

20090146617 - Power-generation control device for detecting abnormality in power generator: In a power-generation control device, a voltage regulating unit regulates an output voltage of a power generator to a preset target level. When at least one of a plurality of types of abnormalities occurs in the power generator, an abnormality detector detects the at least one of the plurality of... Agent: Oliff & Berridge, PLC